import type { App } from 'vue';
import type { I18n, I18nOptions } from 'vue-i18n';

import moment from 'moment';

import { createI18n } from 'vue-i18n';

const localeSetting = {
  showPicker: true,
  // Locale
  locale: 'zh-cn',
  // Default locale
  fallback: 'zh',
  // available Locales
  availableLocales: ['zh', 'cn'],
};
const { fallback, availableLocales } = localeSetting;

// let language = localeSetting.locale;
moment.locale('fr');
console.log(moment.locale(), 'moment.locale');
console.log('llllllllllll');

export let i18n: ReturnType<typeof createI18n>;

async function createI18nOptions(): Promise<I18nOptions> {
  const locale = 'zh';
  const defaultLocal = await import(`./lang/${locale}.ts`);
  const message = defaultLocal.default?.message ?? {};

  return {
    legacy: false,
    locale,
    fallbackLocale: fallback,
    messages: {
      [locale]: message,
    },
    availableLocales: availableLocales,
    sync: true, //If you don’t want to inherit locale from global scope, you need to set sync of i18n component option to false.
    silentTranslationWarn: true, // true - warning off
    missingWarn: false,
    silentFallbackWarn: true,
  };
}

// setup i18n instance with glob
export async function setupI18n(app: App) {
  const options = await createI18nOptions();
  i18n = createI18n(options) as I18n;
  app.use(i18n);
}
